OK Hector, many thanks for the above! 

Hi Hector Yes the above were already clarified earlier, the part that I do not understand is why it is temporarily used and then trashed. Since it not used anymore that means that from a certain point forward the IOS can manage without it. Why? What ...

Hi Hector Reusing the code is a thing that is not important to us as network engineers. What is important to understand is why the table is temporarily populated and then it is gone.  After all they could have chosen not to use it at all. There must...

Hi Hector Thanks for diving into details for us. Can you please detail the reasons behind the temporary existence of the Adj-RIB-in in the first situation? Why is it used if later it it is not needed anymore? What would be the advantage of temporari...

Thanks lespejel, I am studying exactly those topics that you pointed out above This is the detail that I did not know about: Adj-RIB-in contains NLRIs as they are sent by BGP neighbors after routing policies are applied to save memory, but if you us...